Area Forecast Discussion
Issued by NWS St. Louis, MO

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000
FXUS63 KLSX 261724
AFDLSX

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
1224 PM CDT Tue May 26 2015

.SHORT TERM:  (Through Late This Afternoon)
Issued at 343 AM CDT Tue May 26 2015

MCV over west central Missouri will continue to lift northward this
morning with activity associated with it sliding north through
region. Coverage is scattered and will see precipitation taper off
from southwest to northeast today. Because of a bit more cloud cover
and precipitation, highs will only be in the upper 70s to low 80s.

Byrd

.LONG TERM:  (Tonight through Monday)
Issued at 343 AM CDT Tue May 26 2015

Tonight through Thursday...

Next in series of weak upper level shortwaves to lift through region
tonight with chances of showers and thunderstorms through early
Thursday. It will not be continuous rain through this period and we
could see a bit of a break on Thursday before next more significant
system approaches for the weekend. Highs will be in the 80s for the
rest of the work week with lows in the 60s.

Friday through Monday...

Deepening upper level trof over the Rockies will begin to slide
towards region on Friday with increasing chances of showers and
thunderstorms for the weekend. Best chances will be Friday night
through Saturday. Cooler air to filter in behind this system with
highs only in the mid 60s to mid 70s by Sunday and Monday.

Byrd

&&

.AVIATION:  (For the 18z TAFs through 18z Wednesday Afternoon)
Issued at 1156 AM CDT Tue May 26 2015

Specifics for KCOU: Isolated thunderstorms are possible this
afternoon, but the anticipated coverage is too low to include a TS
mention in the TAF attm. Southwest winds will persist through most
of the period with diminishing gusts after sunset.

Specifics for KUIN: A band of showers will have moved through the
terminal before 18z, therefore VCSH was dropped for the initial
TAF issuance. Additional thunderstorms might develop later tonight
near a stalled cold front invof KUIN. Southwest winds will persist
through most of the TAF period.

Specifics for KSTL, KSUS, KCPS: A band of showers has already
developed west of the terminals and should reach the St. Louis
metro area around 19z. Brief periods of MVFR conditions are
possible if one of the showers moves directly over a terminal.
Isolated thunderstorms are possible this afternoon, but the
anticipated coverage is too low to include a TS mention in the
TAFs attm. Southwest winds will persist through most of the period
with diminishing gusts after sunset. Winds at KSTL should become
nearly westerly for several hours after 27/15z, then turn
light/variable just beyond the end of the 30-hr TAF period.

Kanofsky

&&

.LSX WATCHES/WARNINGS/ADVISORIES:
MO...NONE.
IL...NONE.
&&

$$

WFO LSX





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